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<Title>remove_copy</Title>
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<H1>remove_copy</H1>

<Table CellPadding=0 CellSpacing=0 width=100%>
<TR>
<TD Align=left><Img src = "algorithms.gif" Alt=""   WIDTH = "194"  HEIGHT = "38" ></TD>
<TD Align=right><Img src = "function.gif" Alt=""   WIDTH = "194"  HEIGHT = "38" ></TD>
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<TR>
<TD Align=left VAlign=top><b>Category</b>: algorithms</TD>
<TD Align=right VAlign=top><b>Component type</b>: function</TD>
</TR>
</Table>

<h3>Prototype</h3>
<pre>
template &lt;class <A href="InputIterator.html">InputIterator</A>, class <A href="OutputIterator.html">OutputIterator</A>, class T&gt;
OutputIterator remove_copy(InputIterator first, InputIterator last,
                           OutputIterator result, const T&amp; value);
</pre>                   
<h3>Description</h3>
<tt>Remove_copy</tt> copies elements that are not equal to <tt>value</tt> from the 
range <tt>[first, last)</tt> to a range beginning at <tt>result</tt>.  The return
value is the end of the resulting range.  This operation is stable,
meaning that the relative order of the elements that are copied is the same 
as in the range <tt>[first, last)</tt>.
<h3>Definition</h3>
Defined in the standard header <A href="algorithm">algorithm</A>, and in the nonstandard
backward-compatibility header <A href="algo.h">algo.h</A>.
<h3>Requirements on types</h3>
<UL>
<LI>
<tt>InputIterator</tt> is a model of <A href="InputIterator.html">Input Iterator</A>.
<LI>
<tt>OutputIterator</tt> is a model of <A href="OutputIterator.html">Output Iterator</A>.
<LI>
<tt>InputIterator</tt>'s value type is convertible to a type in
   <tt>OutputIterator</tt>'s set of value types.
<LI>
<tt>T</tt> is a model of <A href="EqualityComparable.html">Equality Comparable</A>.
<LI>
Objects of type <tt>T</tt> can be compared for equality with objects
   of <tt>InputIterator</tt>'s value type.
</UL>
<h3>Preconditions</h3>
<UL>
<LI>
<tt>[first, last)</tt> is a valid range.
<LI>
There is enough space in the output range to store the copied
   values.  That is, if there are <tt>n</tt> elements in <tt>[first, last)</tt>
   that are not equal to <tt>value</tt>, then <tt>[result, result+n)</tt> is
   a valid range.
<LI>
<tt>result</tt> is not an iterator in the range <tt>[first, last)</tt>.
</UL>
<h3>Complexity</h3>
Linear.  Exactly <tt>last - first</tt> comparisons for equality, and at most
<tt>last - first</tt> assignments.
<h3>Example</h3>
Print all nonzero elements of a vector on the standard output.
<pre>
<A href="Vector.html">vector</A>&lt;int&gt; V;
V.push_back(-2);
V.push_back(0);
V.push_back(-1);
V.push_back(0);
V.push_back(1);
V.push_back(2);

remove_copy(V.begin(), V.end(), 
            <A href="ostream_iterator.html">ostream_iterator</A>&lt;int&gt;(cout, &quot;\n&quot;),
            0);
</pre> 
<h3>Notes</h3>
<h3>See also</h3>
<tt><A href="copy.html">copy</A></tt>, <tt><A href="remove.html">remove</A></tt>, <tt><A href="remove_if.html">remove_if</A></tt>, <tt><A href="remove_copy_if.html">remove_copy_if</A></tt>,
<tt><A href="unique.html">unique</A></tt>, <tt><A href="unique_copy.html">unique_copy</A></tt>.

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